button.btnsetting {
  user-select: none;
  display: flex;
  align-items: center;
  justify-content: center;
  outline: none;
  cursor: pointer;
  width: 80rpx;
  height: 40rpx;
  margin: 0 8rpx;
  padding: 0;
  border-radius: 4rpx;
  transition: all 0.2s ease;
  font-size: 16rpx;
  color: #ccc;
}
button > span{
  transition: transform 0.2s ease;
}
button:focus{
    animation: active 0.9s alternate infinite;
    outline: none;
}
 
